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New exercises from Khan Academy 2020-05-29T13:47:37.544650
Aggiornato: 2 ore 21 min fa

### Physical and chemical changes

Mar, 2020-05-12 11:27
Let's practice to differentiate between a physical change and a chemical change by solving the given questions.

### Subtracting decimals (tenths)

Lun, 2020-05-11 23:49
Subtract small whole numbers and tenths like 1.6-0.3

### Subtract decimals (hundredths)

Lun, 2020-05-11 23:49
Subtract small whole numbers, tenths, and hundredths like 0.6-0.43 or 1.58-0.5

### Adding decimals (hundredths)

Lun, 2020-05-11 23:39
Add more challenging whole numbers, tenths, and hundredths like 5.7+4.51 or 47.75+11.98

### Adding decimals (tenths)

Lun, 2020-05-11 23:38
Add larger numbers with tenths like 40.1+7.6

### Defining transformations

Lun, 2020-05-11 22:09
Refine definitions of rigid transformations. Given a description of the effect of a transformation, determine which rigid transformation it is.

### Identify parallel and perpendicular lines

Lun, 2020-05-11 22:07
Recognize parallel and perpendicular lines in geometric figures and pictures.

### Focus on causation: Human migration

Lun, 2020-05-11 21:30
Let's explore more perspectives on why populations moved.

### Convert units (metrics)

Lun, 2020-05-11 21:17
Convert between metric measures of distance, volume, and mass.

### Hundreds, tens, and ones

Lun, 2020-05-11 19:44
Practice thinking about place value of 3-digit numbers as hundreds, tens, and ones.

### Frequently confused words: assorted

Lun, 2020-05-11 17:33
Can you identify when to correctly use these words that often get confused with other words?

### Obscuring the truth: reading realistic fiction; The Open Window 8

Lun, 2020-05-11 16:42
8th grade reading comprehension practice using Saki's The Open Window

### Mysteries of the Past: reading realistic fiction; A View from the Walnut Tree 7

Lun, 2020-05-11 16:23
7th grade reading comprehension practice using historical fiction

### Mysteries of the Past: reading informational text; The Roanoke Voyages 7

Lun, 2020-05-11 15:09
7th grade reading comprehension practice using an informational text about the lost colony of Roanoke

### Mysteries of the Past: vocabulary; The Roanoke Voyages 7

Lun, 2020-05-11 15:08
7th grade applied vocabulary practice using an informational text about the lost colony of Roanoke

### Obscuring the truth: reading realistic fiction; One Big Mess 8

Lun, 2020-05-11 15:02
8th grade reading comprehension practice using realistic fiction

### Obscuring the truth: vocabulary; Why Do We Lie? 8

Lun, 2020-05-11 14:56
8th grade applied vocabulary practice using an informational text about lying

### Obscuring the truth: reading informational text; The Science of Lying 8

Lun, 2020-05-11 14:49
8th grade reading comprehension practice using an informational text about the science of lying

### Obscuring the truth: reading informational text; Why Do We Lie? 8

Lun, 2020-05-11 14:46
8th grade reading comprehension practice using an informational text about lying

### Defining a procedure

Ven, 2020-05-08 19:52
Practice defining custom procedures for programs in the AP CSP pseudocode, in this set of free practice questions designed for AP Computer Science Principles students.